Pablo Neira Ayuso 295de7fb5a netfilter: nft_limit: do not ignore unsupported flags
[ Upstream commit 91a139cee1202a4599a380810d93c69b5bac6197 ]

Bail out if userspace provides unsupported flags, otherwise future
extensions to the limit expression will be silently ignored by the
kernel.

Fixes: c7862a5f0de5 ("netfilter: nft_limit: allow to invert matching criteria")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-01-25 15:35:59 -08:00
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